【单选题】After the big fire, only a small part of the forest _____. [ ]
【单选题】Don’t be worried about the small fire in that field. It won’t be long before it ____.
【简答题】创建唯一索引时,应保证创建索引的列不包括 数据,如果有这种数据,必须先将其删除,否则索引不能成功创建。
【简答题】阅读理解。 This morning, a boy of twelve saw a small fire at one end of a ship. Tom left home very early, against the wishes of his father, to see the ships at the port. It was a good thing that he did, be...
【判断题】创建唯一索引时,应保证创建唯一索引的列不包括不重复的数据,如果有这种数据,必须先将其删除,否则索引不能成功创建。( )
【多选题】(第六章) 我国现存著名的皇家园林有( )
【简答题】创建唯一索引时,应保证创建唯一索引的列不包括________的数据,如果有这种数据,必须先将其删除,否则索引不能成功创建。
【简答题】A.In a log cabin. B.In a shelter. C.In the forest with an open fire. D.In a small house.
【单选题】If a small fire initially breaks out in the engine room bilges, in which of the following sequences should the fire extinguishing agents or systems be used?
A.
Fixed CO2, semi-portable CO2, then hand portable CO2
B.
Semi-portable CO2, fixed CO2, then hand portable CO2
C.
Hand portable, semi-portable CO2, then as a last resort the fixed CO2 system
D.
Hand portable, fixed CO2, then as a last resort the semi-portable CO2